Description: a very lucid and cogent manner, so that even an average student can grasp the subject matter casily. The book is essentially student-centred and examination-oriented. It is primarily written for the students of B.Ed., M.Ed., M.Phil. and MA (Education). It will be equally useful in the Middle Ead and South-East Asian countries by virtue of its authoritative coverage of the subject. The extensive coverage and detailed explanations will also make it very useful for students preparin for teacher training courses. It will also serve as a reliable handbook for in-service teachers